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Read protection with over-the-air updates?

Question asked by CodyMacaroni on Oct 14, 2014
Latest reply on Oct 14, 2014 by Clive One
I am trying to figure out a way to secure a small section of user data on the STM32F437, and keep it in place during reflashing the device. 

I ideally want to be able to make it so this data is read protected, but the whole device must be able to be updated through a wireless module I have attached to the processor without losing this one particular block of data.

Is there any way to achieve this without an external chip to secure the data?